diff options
Diffstat (limited to 'src/lib/block/noekeon/noekeon.cpp')
| -rw-r--r-- | src/lib/block/noekeon/noekeon.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib/block/noekeon/noekeon.cpp b/src/lib/block/noekeon/noekeon.cpp index 01f7491f3..eac0979a4 100644 --- a/src/lib/block/noekeon/noekeon.cpp +++ b/src/lib/block/noekeon/noekeon.cpp @@ -7,6 +7,7 @@ #include <botan/noekeon.h> #include <botan/loadstor.h> +#include <botan/cpuid.h> namespace Botan { @@ -72,6 +73,18 @@ inline void gamma(u32bit& A0, u32bit& A1, u32bit& A2, u32bit& A3) } +std::string Noekeon::provider() const + { +#if defined(BOTAN_HAS_NOEKEON_SIMD) + if(CPUID::has_simd_32()) + { + return "simd"; + } +#endif + + return "base"; + } + /* * Noekeon Round Constants */ @@ -85,6 +98,19 @@ const byte Noekeon::RC[] = { */ void Noekeon::encrypt_n(const byte in[], byte out[], size_t blocks) const { +#if defined(BOTAN_HAS_NOEKEON_SIMD) + if(CPUID::has_simd_32()) + { + while(blocks >= 4) + { + simd_encrypt_4(in, out); + in += 4 * BLOCK_SIZE; + out += 4 * BLOCK_SIZE; + blocks -= 4; + } + } +#endif + for(size_t i = 0; i != blocks; ++i) { u32bit A0 = load_be<u32bit>(in, 0); @@ -123,6 +149,32 @@ void Noekeon::encrypt_n(const byte in[], byte out[], size_t blocks) const */ void Noekeon::decrypt_n(const byte in[], byte out[], size_t blocks) const { +#if defined(BOTAN_HAS_NOEKEON_SIMD) + if(CPUID::has_simd_32()) + { + /* + const size_t blocks4 = blocks / 4; + const size_t blocks_left = blocks % 4; + + in += blocks4 * BLOCK_SIZE; + out += blocks4 * BLOCK_SIZE; + blocks = blocks % 4; + + BOTAN_PARALLEL_FOR(size_t i = 0; i < blocks4; ++i) + { + simd_encrypt_4(in + i*4*BLOCK_SIZE, out + i*4*BLOCK_SIZE); + } + */ + while(blocks >= 4) + { + simd_decrypt_4(in, out); + in += 4 * BLOCK_SIZE; + out += 4 * BLOCK_SIZE; + blocks -= 4; + } + } +#endif + for(size_t i = 0; i != blocks; ++i) { u32bit A0 = load_be<u32bit>(in, 0); |